Arizona Court of Appeals: Mistake of Law must be Objectively Reasonable to Avoid Suppression of Evidence obtained after the Stop

Can an Arizona Police Officer’s misreading of a clear and unambiguous law give rise to reasonable suspicion, thereby making a stop lawful?

This was a question for a recent Arizona Appeals Court to decide. In the case, the court considered whether a deputy had reasonable suspicion to stop a driver because the officer thought the rear display light on his vehicle was unlawful.

This article takes a closer look at how defense successfully challenged an unlawful police stop due to the police officer’s mistake of law with these topics: